/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/MeshIndexUtil.h
Find all the triangles in all the one rings of a set of vertices
namespace UE { namespace Geometry { void UE::Geometry::VertexToTriangleOneRing ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) * Mesh, const [TArray](API\Runtime\Core\Containers\TArray)< int > & VertexIDs, [TSet](API\Runtime\Core\Containers\TSet)< int > & TriangleIDsOut ) } }